Simple past tense and past participle of recur.(verb)
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Use "recurred" in a sentence
"The question again recurred, to be answered only with groans."
"Outbreaks of this strain recurred in 1970 and 1972, and may have produced a million fatalities worldwide — despite the fact that another flu eleven years earlier (see #6) is believed to have built up global resistance to the disease."
"Each time that the phrase recurred to me I saw myself a sinner for whom no punishment was adequate."